1. Department of Palliative Care and Rehabilitation Medicine - Unit 1414; The University of Texas MD Anderson Cancer Center; Houston; TX; USA
2. Department of Biostatistics - Unit 1411; The University of Texas MD Anderson Cancer Center; Houston; TX; USA
3. Section of Oncology; Department Internal Medicine; Kantonsspital St. Gallen; St. Gallen; Switzerland
4. Department of Cardiology - Unit 1451; The University of Texas MD Anderson Cancer Center; Houston; TX; USA